Acknowledgement
The authors appreciate Ms. Megumi Aizawa for her dedicated support of our research project.
Ethics approval statement
As this study was a retrospective analysis of publicly available data and met the definition of non-human subjects’ research, no institutional board review and approval were required. This study followed the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) guideline.
Patient consent statement
Not applicable.
Permission to reproduce material from other sources
Not applicable.
Authors’ contributions
Anju Murayama: conceptualisation; methodology; resource; software; formal analysis; investigation; writing – original draft; writing – review and editing; visualisation; study administration; supervision.
Naoki Shin: conceptualisation; resource; formal analysis; investigation; writing – original draft; writing – review and editing.
Kenichi Higuchi: conceptualisation; resource; software; investigation; writing – original draft; writing – review and editing.
Isha Kohli: conceptualisation; writing – original draft; writing – review and editing
Hinari Kugo: conceptualisation; resource; investigation; writing – review and editing
Yuki Senoo: conceptualisation; methodology; resource; formal analysis; investigation; writing – original draft; writing – review and editing
Clinical trial registration
Not applicable.
Disclosure statement
The authors declare that there were no conflicts of interest for this study.
Disclosure statement of generative AI in scientific writing
During the preparation of this work, the authors used ChatGPT version 4.0 to check and correct grammatical and spelling errors. After using this tool, the authors carefully reviewed and edited the content as needed and take full responsibility for the content of the publication.
Data sharing statement
All data used in this study is available from Yen For Docs database run by Medical Governance Research Institute (https://yenfordocs.jp/) and each pharmaceutical companies belonging to the Japan Pharmaceutical Manufacturers Association. Due to the privacy restriction, the datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.